WELL · 42-167-31417 · DISTRICT 3

State of Texas #4

Y

Galveston County · Treasure Isle (Big Gas Sand) field · Shut IN  · Directional

State Of Texas #4 (API 42-167-31417) is a well in Galveston County operated by Black Water Environmental L.L.C., completed March 16, 2006 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 15, 2005, permitted to 16,350 ft.

It was permitted by Reef Exploration, Inc. (A-1) and has since transferred to Black Water Environmental L.L.C. on the wellbore schedule.

Completion filings report 6 formation tops, including J-5 Sand, K Sand, L Sand, M Sand.

Its lease has reported 16.6K barrels of oil and 123K mcf of gas since March 2006, last reporting in July 2026.

Operator of record

Black Water Environmental L.L.C.

Permitted by Reef Exploration, Inc. (A-1); the EWA schedule now lists a different operator.

Texas City, TX · P-5 Y, filed Sep 4, 2025 · (713) 569-8223

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBlack Water Environmental L.L.C.
Production reportsReef Exploration, L.P.through Jan 2016
Latest permitReef Exploration, Inc. (A-1)Aug 15, 2005

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

16,350
total depth, ft
2
permits on file
Aug 15, 2005
last permit issued
Mar 16, 2006
completed
16.6K
cumulative oil, bbl
123K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 16, 2006
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Delinquent

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
State of Texas O-3-24856Treasure Isle (Big Gas Sand)Black Water Environmental L.L.C.116.6K123KMar 2006 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Reef Exploration, Inc. (A-1)Mar 2006 → Mar 2006
  2. 2Reef Exploration, L.P.May 2006 → Jan 2016

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
604924-98RecompletionReef Exploration, Inc. (A-1)Dec 7, 2005Aug 15, 2005Sep 18, 200516,350
604924-99DrillReef Exploration, Inc. (A-1)Aug 12, 2005Aug 15, 2005Sep 18, 200513,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-24856————

Formation tops

As filed on W-2/G-1. Subsea from 10 ft elevation.Download CSV →

FormationMD ftSubsea
J-5 Sand9,700-9,690
K Sand10,750-10,740
L Sand11,375-11,365
M Sand12,375-12,365
Big Gas Sand 113,958-13,948
Grubbs14,710-14,700

Perforations

Perforated and open-hole intervals.

FromToType
13,99014,000Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
20175——
13.3753,49517.53,925 S
9.6258,55012.25410 S
7.62513,7218.5380 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 9, 2006May 2, 2006Yes
00Jun 20, 2006——

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/16731417, documented in the API reference.